Question

Refer to the accompanying data set and use the 30 screw lengths to construct a frequency distribution. Begin with a lower class limit of 3 470 in, and use a class width of 0.010 in. The screws were labeled as having a length of 3 1/2 in. Does the frequency distribution appear to be consistent with the label? Why or why not? Click on icon to view the data Length (in) 3.470- Frequency Data Table -X - -- (Type integers or decimals rounded to the nearest thousandth as needed.) Does the frequency distribution appear to be consistent with the label? Screw Lengths (inches) 3.488 3.505 3.493 3.505 3.484 3.496 3.505 3 472 3 503 3.507 3.504 3.496 3.494 3.484 3.495 3509 3518 3.494 3.492 3507 3.498 3.516 3.501 3.505 3.482 3.489 3.503 3.495 3.509 3494 Print Done O A. No, because the screw lengths are off by as much as 0.03 in. OB. No, because the class frequencies are not consistent OC. Yes, because the frequencies are greatest in the classes closest to the labeled size OD. Yes, because the screw lengths are no more than 03 in off the labeled size.

Answer 1

ANSWER:

Given

screw lengths = 30

lower class limit 3.470

Length (in)	Frequency
3.470 - 3.479	1
3.480 - 3.489	5
3.490 - 3.499	10
3.500 - 3.509	12
3.510 - 3.519	2
Total	30

No, the frequency distribution appear to be consistent with the label , because the class frequencies are not consistent

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